The Effect of the Rolling Direction, Temperature, and Etching Time on the Photochemical Machining of Monel 400 Microchannels

Figure 8

(a) Effect of temperature on undercut for different channel widths. (b) Nikon microscope image of etched channels. Temperature: 55°C; etching time: 6 min; and concentration: 600 g/L. (c) Semicircular shape of microchannel (white light interferometry image).

(a)

(b)

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